Hey mechanics and DIYers, this woodruff key set is exactly what you need for all those automotive and machinery projects! You get 110 pieces total across 15 different sizes - from 2.5mm to 8mm thick, 10mm to 32mm long, and 4mm to 13mm high. That covers pretty much every common size you'll encounter. Made from high-hardness carbon steel that's built to last - we're talking excellent wear resistance and corrosion protection. The keys come neatly organized in labeled compartments so you can find exactly what you need without digging through a messy pile. Perfect for crankshaft repairs, gear installations, and all sorts of machinery maintenance. Whether you're a professional mechanic or a serious hobbyist, having this comprehensive set means you're always prepared. No more running to the hardware store mid-project because you're missing one specific size. The quality is solid - these aren't cheap imports that'll wear out after one use. They fit precisely and hold up under pressure. Seriously, if you work on engines, machinery, or any equipment with keyways, this kit will save you time and frustration again and again.